S355 J2H Hollow section tube, Square tube, Rectangular tube

S355 J2H Hollow section tube, Square tube, Rectangular tube.

Square Tube Dimension: 20mm x 20 mm - 1000 x 1000 mm

Rectangular Tube Dimension: 20 mm x 30 mm - 600 mm x 1000 mm

Thickness: 2 mm - 35 mm

Length: 6m - 12m , or as per customer’s requirements

Standards: DIN EN10210, EN10219, GB/T3094-2000, ASTM A500, JIS G 3466, GB/T6728-2002

Steel Grades: Q195, Q235, Q345(16Mn), STKR400/490, A500, ST37/44/52, S235, S275, S355, etc.

Surface Treatment: anti-rust oil, black painting, galvanizing.

Characteristics and sizes of S355 J2H Hollow section tube, Square tube, Rectangular tube:

Packing: in bundles with steel strips or in bulk as per customer request

Applications: Construction framework, trestle, motorcar cassis,flight terminal framework, shipbuilding, automobile axle pipe, MRT and so on

The mostly used sizes ( for seamless and welded square steel pipe) are as below:

30 * 30 *( 2-4mm) —– 50 * 50 *( 2-5mm) —– 80 * 80 *( 3-10mm).

100 * 100 *( 3-16mm) —– 135 * 135 *( 4-16mm) —– 140 * 140 *( 4-18mm).

150 * 150 *( 4-20mm) —– 180 * 180 *( 5-20mm) —– 220 * 220 *( 6-20mm).

250 * 250 *( 5-25mm) —– 300 * 150 *( 6-20mm) —– 300 * 180 *( 8-20mm).

500 * 500 *( 8-25mm) —– 400 * 400*( 8-22mm) —– 450 * 450 *( 8-22mm).

300 * 200 *( 6-20mm) —– 350 * 300 *( 8-22mm) —– 350 * 350 *( 8-22mm).

400 * 250 *( 8-25mm) —– 450 * 300 *( 8-25mm) —– 450 * 480 *( 9-25mm).

500 * 300 *( 8-25mm) —– 60